brown: new details emerge about the affair that led to the resignation of c.i.a. director david petraeus and about when the f.b.i. first uncover evidence of it. good evening. i'm geoffrey brown. >> ifill: and i'm gwen ifill. on the newshour tonight we get the latest on the time line as we know it and the implications for the intelligence agency. >> brown: then gay rights add voaks won their first victory at the ballot box last week. ray suarez examines the significance of

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